<script setup>
import {
    Edit,
    Delete
} from '@element-plus/icons-vue'
import { ref } from 'vue'
const categorys = ref([
    {
        "id": 3,
        "categoryName": "美食",
        "categoryAlias": "my",
        "createTime": "2023-09-02 12:06:59",
        "updateTime": "2023-09-02 12:06:59"
    },
    {
        "id": 4,
        "categoryName": "娱乐",
        "categoryAlias": "yl",
        "createTime": "2023-09-02 12:08:16",
        "updateTime": "2023-09-02 12:08:16"
    },
    {
        "id": 5,
        "categoryName": "军事",
        "categoryAlias": "js",
        "createTime": "2023-09-02 12:08:33",
        "updateTime": "2023-09-02 12:08:33"
    }
])

//声明一个异步的函数
import {articleCategoryListService,articleCategoryAddService,articleCategoryUpdateService,articleCategoryDeleteService} from '@/api/article.js'
const articleCategoryList  = async()=>{
    let result= await articleCategoryListService();
     categorys.value= result.data;
}
articleCategoryList();

//控制添加分类弹窗
const dialogVisible = ref(false)

//添加分类数据模型
const categoryModel = ref({
    categoryName: '',
    categoryAlias: ''
})
//添加分类表单校验
const rules = {
    categoryName: [
        { required: true, message: '请输入分类名称', trigger: 'blur' },
    ],
    categoryAlias: [
        { required: true, message: '请输入分类别名', trigger: 'blur' },
    ]
}

import { ElMessage,ElMessageBox } from 'element-plus';
//调用接口，添加表单
const addCategory=async()=>{
    //调用接口
     let result=await articleCategoryAddService(categoryModel.value);
     ElMessage.success(result.msg?result.msg:'添加成功')

     //调用获取所有文章分类的函数（刷新列表）
     articleCategoryList();
     //隐藏弹窗
     dialogVisible.value=false;
}
//调用接口，编辑接口
const updateCategory=async()=>{
   //调用接口
   let result = await articleCategoryUpdateService(categoryModel.value)
   ElMessage.success(result.msg?result.msg:'修改成功')

     //调用获取所有文章分类的函数（刷新列表）
     articleCategoryList();
//隐藏弹窗
     dialogVisible.value=false;
}

//定义变量，控制标题的展示
const title = ref('')

//展示编辑弹窗
const showDialog=(row)=>{
    dialogVisible.value=true;title.value='编辑分类'
    //数据拷贝
    categoryModel.value.categoryName = row.categoryName;
    categoryModel.value.categoryAlias = row.categoryAlias;
    //扩展id属性将来传递给后台，完成分类的修改
    categoryModel.value.id = row.id;
}

//清空模型的数据
const clearData=()=>{
    categoryModel.value.categoryName='';
    categoryModel.value.categoryAlias='';
}

//删除分类
const deleteCategory=(row)=>{
    //提示用户  确认框
    ElMessageBox.confirm(
    '是否确认删除文章分类?',
    '温馨提示',
    {
      confirmButtonText: '确认',
      cancelButtonText: '取消',
      type: 'warning',
    }
  )
    .then(async() => {
        //调用接口
       let result= await articleCategoryDeleteService(row.id);
      ElMessage({
        type: 'success',
        message: '删除成功',
      })
      //删除列表
      articleCategoryList();
    })
    .catch(() => {
      ElMessage({
        type: 'info',
        message: '取消删除',
      })
    })
}
</script>
<template>
    <el-card class="page-container">
        <template #header>
            <div class="header">
                <span>文章分类</span>
                <div class="extra">
                    <el-button type="primary" @click="dialogVisible=true;title='添加分类';clearData()">添加分类</el-button>
                </div>
            </div>
        </template>
        <el-table :data="categorys" style="width: 100%">
            <el-table-column label="序号" width="100" type="index"> </el-table-column>
            <el-table-column label="分类名称" prop="categoryName"></el-table-column>
            <el-table-column label="分类别名" prop="categoryAlias"></el-table-column>
            <el-table-column label="操作" width="100">
                <template #default="{ row }">
                    <el-button :icon="Edit" circle plain type="primary" @click="showDialog(row)"></el-button>
                    <el-button :icon="Delete" circle plain type="danger" @click="deleteCategory(row)"></el-button>
                </template>
            </el-table-column>
            <template #empty>
                <el-empty description="没有数据" />
            </template>
        </el-table>

        <!-- 添加分类弹窗 -->
       <el-dialog v-model="dialogVisible" :title="title" width="30%">
         <el-form :model="categoryModel" :rules="rules" label-width="100px" style="padding-right: 30px">
          <el-form-item label="分类名称" prop="categoryName">
            <el-input v-model="categoryModel.categoryName" minlength="1" maxlength="10"></el-input>
           </el-form-item>
         <el-form-item label="分类别名" prop="categoryAlias">
            <el-input v-model="categoryModel.categoryAlias" minlength="1" maxlength="15"></el-input>
        </el-form-item>
       </el-form>
    <template #footer>
        <span class="dialog-footer">
            <el-button @click="dialogVisible = false">取消</el-button>
            <el-button type="primary" @click="title=='添加分类'?addCategory():updateCategory()"> 确认 </el-button>
        </span>
    </template>
      </el-dialog>

    </el-card>
</template>

<style lang="scss" scoped>
.page-container {
    min-height: 100%;
    box-sizing: border-box;

    .header {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
}
</style>
